/*
 *
 *  * Copyright (c) [2019-2021] [NorthLan](lan6995@gmail.com)
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *     http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */

package org.lan.iti.cloud.axon;

import org.axonframework.common.IdentifierFactory;
import org.lan.iti.cloud.sequence.sequence.Sequence;
import org.lan.iti.common.core.util.idgen.IdGenerator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

/**
 * 自定义 IdentifierFactory
 *
 * @author NorthLan
 * @date 2021-04-28
 * @url https://noahlan.com
 */
@Component
public class SnowflakeIdentifierFactory extends IdentifierFactory {
    @Autowired(required = false)
    private Sequence snowflakeSequence;

    @Override
    public String generateIdentifier() {
        return snowflakeSequence == null ? IdGenerator.nextStr() : snowflakeSequence.nextStr();
    }
}
